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How is the anti-lipid-peroxidation property of Hydroxycitric acid (HCA) in the extract of Asam gelugur (Garcinia atroviridis) influenced by the different solvents (methanol, ethanol, propanol, acetone and distilled water) used for extraction and the different temperature ranging from 0oC to 100oC over specified period of time (0-2.5 hours)?

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How is the radical scavenging activity of the anthocyanin pigments present in the crude extract of local purple skinned Ipomoea batatas affected when it is subjected to deep frying temperatures ranging from 135C to 175C in specified time intervals (0-5 hours)?

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How does the use of different reducing sugars (glucose, galactose, fructose, lactose, maltose) affect the overall degree of aggregation of silver nanoparticles synthesised via the reduction of Tollens reagent of different concentrations (0.002M, 0.004M, 0.006M, 0.008M, 0.010M)?

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How is the heat denaturation of egg albumin at 70oC inhibited by different volumes (0.2 cm3, 0.4 cm3, 0.6 cm3, 0.8 cm3, 1 cm3) of flavonoids present in apple (Malus domestica) peel extract?

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How do varying methanol:oil mole ratio and mass concentration of potassium hydroxide affect the methyl ester yield in the transesterification process of triglycerides in vegetable oil to produce biodiesel?

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How is the radical scavenging activity of antioxidants present in the methanol extract of teas (White tea, Green tea, Oolong tea, Black tea and Pu-erh tea) affected when it is subjected to light intensities ranging from 0 to 250 Lux in specified time intervals (0-5 hours)?

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To what extent is the zinc ion leaching of vulcanised crumb rubber granules influenced by the variation in pH (7.0-3.5) of its leaching solution and what conclusions can be drawn regarding the effect of time (1-7 days) in this leaching process?

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The organic chemistry lab survival manual : a student's guide to techniques

The organic chemistry lab survival manual : a student's guide to techniques

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Organic chemistry

Organic chemistry

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O Level Topical Chemistry: Past Examination Question Arranged By Topics Year 2000-2009

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